Last reviewed on 12 September 2026.
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What follows sets out what a portion contains using USDA FoodData Central, which of the popular claims have evidence behind them, how many to eat, and who should keep the portion small. The figures are for hulled kernels, the flat green seeds most shops sell, unless whole seeds in the husk are mentioned.
What nutrients are in a handful of pumpkin seeds?
A 28 g handful of hulled pumpkin seeds provides roughly 160 kcal, 8 to 9 g of protein, 13 to 14 g of fat, about 150 to 165 mg of magnesium, 2 to 2.5 mg of zinc and 2 to 2.5 mg of iron, based on USDA values for dried and roasted kernels. It also carries a large amount of phosphorus and a fair amount of potassium. Fibre is lower than people expect, around 1.5 to 2 g, because the fibrous husk has been removed. Exact figures shift with the variety and with roasting, so read these as ranges rather than label promises.
How much magnesium do pumpkin seeds give you?
About 150 to 165 mg in a 28 g handful, which is a third or more of what an adult needs in a day. ICMR-NIN's 2020 requirements place adult magnesium at roughly 370 mg for women and 440 mg for men. Few everyday foods come close to that density per spoonful. Magnesium is involved in muscle and nerve function, blood sugar control and bone, and large observational studies link higher intakes with a lower risk of type 2 diabetes, though such studies cannot prove the seeds caused the difference. This is the strongest honest reason to eat pumpkin seeds.
Are pumpkin seeds a good source of zinc?
Yes, a moderate one. A 28 g handful gives 2 to 2.5 mg of zinc against ICMR-NIN's 2020 requirement of roughly 13 mg a day for women and 17 mg for men, so around a sixth of the day's need. Zinc supports immunity, wound healing and the senses of taste and smell. Vegetarians rely on plant sources such as seeds, pulses and whole grains, where phytate reduces absorption, so a regular spoonful of pumpkin seeds is a useful contribution. Pumpkin seeds are often sold on the promise that their zinc stops hair fall, a claim that assumes a deficiency most people do not have.
Do pumpkin seeds help with iron deficiency?
They help a little, but they will not correct iron deficiency by themselves. A 28 g handful contains 2 to 2.5 mg of iron, which looks respectable beside ICMR-NIN's 2020 requirement of about 29 mg a day for adult women. It is non-haem iron, however, the form plants provide, and the body absorbs only a small fraction of it, less still when phytates and tea arrive at the same meal. Eating the seeds with a source of vitamin C, such as lemon, amla or guava, improves the odds. For the foods that carry most of the iron load, see iron-rich Indian foods.
How much protein is in pumpkin seeds?
About 8 to 9 g in a 28 g handful, or roughly 30 g per 100 g of hulled kernels, which puts them among the most protein-dense seeds. In an everyday portion of one to two tablespoons that shrinks to about 3 to 6 g, useful but not a meal's worth. Eaten across a day alongside dal, curd or milk, pumpkin seed protein adds to a well-rounded intake. The seeds work best as a topping that nudges up a meal's protein rather than as its main source, and the list of vegetarian protein sources shows which foods do the heavy lifting.
Do pumpkin seeds help the prostate?
The evidence is suggestive at best. Small trials, several of them run in Europe, have tested pumpkin seed oil or seed extracts in men with benign prostatic hyperplasia (BPH), the non-cancerous enlargement common after 50, and some reported modest improvements in urinary symptom scores. Others found little difference from placebo. These were concentrated preparations taken for months, not a spoonful of seeds, and no trial shows that pumpkin seeds shrink the prostate or prevent prostate cancer. A man with new urinary symptoms, such as a weak stream or waking often at night to pass urine, should have a doctor examine him first, because those symptoms have several possible causes.
Can pumpkin seeds help you sleep?
Probably not in any way you would notice. The claim rests on tryptophan, an amino acid the body uses to make serotonin and melatonin, and on magnesium. Pumpkin seeds do contain tryptophan, but so does almost every protein food, from milk to dal, and no good trial shows that a portion of seeds improves sleep. Studies of magnesium supplements for sleep, mostly in older adults, have produced weak and mixed results. If a small bowl of seeds replaces a late-evening packet of chips, sleep may improve for other reasons. As a sleep remedy on their own, pumpkin seeds belong with folklore.
Are pumpkin seeds a source of omega-3?
No, not a meaningful one. Most of their fat is linoleic acid, an omega-6, along with oleic acid, the type found in olive and groundnut oils, and they contain only a trace of alpha-linolenic acid, the plant omega-3. That is not a flaw; omega-6 fats are essential too, and Indian diets rarely lack them. But anyone buying pumpkin seeds specifically for omega-3 has picked the wrong seed. Chia and flax are the plant sources of that fat, and the sibling post on chia seeds, their benefits and side effects is the place to start.
How many pumpkin seeds should you eat a day?
One to two tablespoons, roughly 10 to 20 g, is a sensible daily portion for most adults. A level tablespoon of hulled seeds weighs about 8 to 10 g and carries 45 to 55 kcal, so two tablespoons come to around 90 to 110 kcal and supply close to 100 mg of magnesium. The full 28 g handful used on nutrition labels is fine now and then but adds up across a week, given that pumpkin seeds hold about 560 kcal per 100 g. Sprinkle them on poha, upma, raita or salad, or mix them into a homemade trail mix, rather than eating straight from the pouch.
Fitting a spoonful into an ordinary day
The portion printed on a nutrition label is not the portion to eat daily. Work down from it.
Measure, do not pour
A level tablespoon of hulled seeds is about 8 to 10 g and carries 45 to 55 kcal. One or two tablespoons a day is the sensible amount for most adults.
Put them on food, not in your hand
Poha, upma, raita, salad or a homemade trail mix all work. Eating straight from the pouch is how a spoonful quietly becomes a handful.
Add a source of vitamin C
Lemon, amla or guava at the same meal improves how much of the non-haem iron you actually absorb.
Read the label on salted packs
Compare the sodium per 100 g between brands and take the lower one, particularly with high blood pressure. Masala, cheese and sugar coatings move the pack towards namkeen.
Keep the weekly total in view
Hulled seeds hold about 560 kcal per 100 g, so the full handful is fine now and then rather than every day of the week.
Are roasted and salted pumpkin seeds healthy?
Roasted seeds are fine; salted ones deserve a look at the label. Dry roasting changes the flavour and crunch while leaving the minerals largely intact. Salted versions add sodium, and the amount varies widely between brands, so compare the per-100 g figure and choose the lower one, especially if you have high blood pressure. Flavoured seeds coated in masala, cheese powder or sugar drift steadily towards namkeen. Seeds roasted in oil pick up a little extra fat on top of the plenty they already hold. At home, a dry tawa and a pinch of salt or chaat masala is all they need.
Can you eat the shell, or seeds from your own kaddu?
Yes to both, and the two differ in useful ways. The green seeds in shops are either hulled or come from varieties with hardly any husk. Seeds scooped from an ordinary Indian kaddu keep a pale, fibrous shell, which is edible once washed, dried and roasted, though chewy. Gram for gram, whole seeds carry far more fibre and rather less protein and magnesium, because the husk dilutes the kernel. The char magaz mix used in thandai and some sweets often includes pumpkin kernels alongside melon seeds, so many Indian kitchens were using them long before anyone called them a superfood.
Who should limit pumpkin seeds?
People with chronic kidney disease are the main group. Pumpkin seeds are very high in phosphorus, around 1,200 mg per 100 g in USDA data, and carry potassium too, both of which many kidney patients are asked to restrict. Anyone in that position should ask their nephrologist or renal dietitian before adding seeds, and the kidney disease diet guide explains why those limits exist. An allergy to pumpkin seeds is uncommon but does occur. A sudden jump from none to several handfuls a day can also cause bloating or loose stools, which settles once the portion comes down.
Where pumpkin seeds fit on a plant-based plate
Pumpkin seeds show how a vegetarian or vegan diet closes its gaps: not with one superfood but with many small, well-chosen contributions of protein, zinc, iron and magnesium. NNWA's Plant-Based Nutrition course is a six-week specialisation on plant proteins, key micronutrients, balanced vegan plates, the Indian advantage in plant eating, eating across life stages, and supplements and gaps. Seed-by-seed judgements like this one are part of that work. The course fee is 10,999 rupees, cut from 15,999, payable at 1,833 rupees a month by EMI, and the certificates it awards are NNWA's own.
The short answer
Pumpkin seeds are one of the richest everyday sources of magnesium, with a useful helping of zinc, iron and plant protein: about 160 kcal, 8 to 9 g of protein and 150 mg of magnesium in a 28 g handful. One to two tablespoons a day is plenty. The prostate evidence comes from small trials of concentrated extracts, the sleep claims are thin, and the seeds are not an omega-3 source. Choose unsalted or lightly salted, pair them with vitamin C for the iron, and ask your kidney specialist before eating them if you have kidney disease.